Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10478760 | Filter element with a luminescent marker | Volkmar Klein | 2019-11-19 |
| 9108128 | Filter | Andreas Schmitz, Edwin Koch, Matthias Schwender | 2015-08-18 |
| 8709249 | Filter | Andreas Schmitz, Edwin Koch, Matthias Schwender | 2014-04-29 |